28931344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{379}}^1$

素因数の和:767

約数の個数: 40

約数和(自身を含む): 60690560

約数和(自身を除く): 31759216

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 367, 379, 734, 758, 1468, 1516, 2936, 3032, 4771, 4927, 5872, 6064, 9542, 9854, 19084, 19708, 38168, 39416, 76336, 78832, 139093, 278186, 556372, 1112744, 1808209, 2225488, 3616418, 7232836, 14465672, 28931344]

約数ペア:

[(1, 28931344), (2, 14465672), (4, 7232836), (8, 3616418), (13, 2225488), (16, 1808209), (26, 1112744), (52, 556372), (104, 278186), (208, 139093), (367, 78832), (379, 76336), (734, 39416), (758, 38168), (1468, 19708), (1516, 19084), (2936, 9854), (3032, 9542), (4771, 6064), (4927, 5872)]